Hanson star Isaac Hanson is celebrating after learning his wife is expecting their second child. The 27-year-old and his spouse Nicole already have a 10-month-old son. Hanson tells People.com, "Nikki and I are so very exited about the new addition to our family. We can't wait to meet him or her." Hanson isn't the only member of the brotherly three-piece who's waiting to become a new father - his younger brother Zac's wife Kate is due to give birth to their first child in May (08).